Collapsible portable document file



FIG. 1 is a front, elevational view of a collapsible portable document file showing my new design;

FIG. 2 is a front, elevational view of FIG. 1 with four of the document holders removed for convenience of illustration;

FIG. 3 is a side, elevational view of FIG. 2, the opposite side being a mirror image;

FIG. 4 is a rear, elevational view of FIG. 2; and,

FIG. 5 is a top, plan view thereof. 

The ornamental design for a collapsible portable document file, as shown and described. 